Home / 87,137.34-120,153.49-60,233.14

Finding the Fourth Proportional to 87,137.34, 120,153.49 and 60,233.14

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Solution

The fourth proportional to 87,137.34, 120,153.49 and 60,233.14 is: 83,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137.34 : 120,153.49 = 60,233.14 : x
  2. Step 2: Convert to fraction form
    87,137.34/120,153.49 = 60,233.14/x
  3. Step 3: Cross multiply
    87,137.34x = 120,153.49 × 60,233.14
  4. Step 4: Simplify right side
    87,137.34x = 7,237,222,279.85
  5. Step 5: Solve for x
    x = 7,237,222,279.85/87,137.34
  6. Step 6: Final answer
    x = 83,055.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.